Home / 7,261.11-10,020.51-4,117.50

Finding the Fourth Proportional to 7,261.11, 10,020.51 and 4,117.50

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Solution

The fourth proportional to 7,261.11, 10,020.51 and 4,117.50 is: 5,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.11 : 10,020.51 = 4,117.50 : x
  2. Step 2: Convert to fraction form
    7,261.11/10,020.51 = 4,117.50/x
  3. Step 3: Cross multiply
    7,261.11x = 10,020.51 × 4,117.50
  4. Step 4: Simplify right side
    7,261.11x = 41,259,449.93
  5. Step 5: Solve for x
    x = 41,259,449.93/7,261.11
  6. Step 6: Final answer
    x = 5,682.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.